1. Fragile x syndrome
... is frustrated or excited; inattentive or hyperactive; over stimulated by touch; frustrated easily, causing tantrums; fascinated with one unusual object or event, as with autism; repetitive behavior or speech; poor eye contact, girls are often very shy and have difficulty interacting with other children. Although some of these characteristics seem common in toddler age children the regularity and extent of the ... bottom end of the X chromosome. It is called the Fragile X Mental Retardation-1 (FMR-1) gene. Permutations include small expansions with a CGG repetitive sequence that repeats ...
- Word Count: 2530
- Approx Pages: 10
- Has Bibliography
- Grade Level: Undergraduate